Select Your Ride

1
2
3

Street Bike Countershaft Sprockets - Steel

Street Bike Countershaft Sprockets - Steel

Street Bike Countershaft Sprockets at JJ Motorsports

Optimize your street bike's gearing with premium steel countershaft sprockets from JJ Motorsports, featuring case-hardened construction for durability and precise chain fit on Honda CBR, Yamaha R-series, Kawasaki ZX, Suzuki GSX-R, and more. These lightweight sprockets deliver smoother acceleration and extended chain life.

Shop Vortex, Parts Unlimited, and Driven Racing countershaft sprockets for race-proven quality. Explore related categories such as street bike rear sprockets or street bike drive chains to complete your gearing upgrades.

Top Street Bike Countershaft Sprockets

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • VORTEX Front Sprocket - 15-Tooth 2910-15

    VORTEX Front Sprocket - 15-Tooth 2910-15

    VORTEX

    $34.95
    A precision front sprocket is fundamental to consistent power delivery and gear ratio optimization in any drivetrain system. The VORTEX 15-tooth design pairs tight manufacturing tolerances with induction-hardened steel construction, eliminating run-out...
    12120419
    SKU:
    12120419
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    TOOTH COUNT:
    15
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • VORTEX Front Sprocket - 17-Tooth 2910-17

    VORTEX Front Sprocket - 17-Tooth 2910-17

    VORTEX

    $34.95
    A quality front sprocket is critical to your drivetrain's efficiency, durability, and overall performance. The VORTEX 17-Tooth Front Sprocket delivers precision engineering with induction-hardened steel construction, ensuring consistent engagement,...
    12120421
    SKU:
    12120421
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    17
    TYPE:
    COUNTERSHAFT
    MOUNTING POSITION:
    FRONT
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • VORTEX Front Sprocket - 15-Tooth 3521-15

    VORTEX Front Sprocket - 15-Tooth 3521-15

    VORTEX

    $34.95
    Precision matters when you're chasing tenths on the track or dialing in your build. The VORTEX 15-Tooth Front Sprocket delivers the consistency and durability that separates reliable equipment from parts that fail under pressure. Induction-hardened steel...
    12120422
    SKU:
    12120422
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    RIDING STYLE:
    STREET
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    TOOTH COUNT:
    15
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • VORTEX Front Sprocket - 16-Tooth 3520-16

    VORTEX Front Sprocket - 16-Tooth 3520-16

    VORTEX

    $34.95
    A worn or substandard front sprocket compromises your entire drivetrain's efficiency, creating power loss and accelerating wear across your chain and rear sprocket. The VORTEX 16-Tooth Front Sprocket delivers precision-engineered durability through...
    12120425
    SKU:
    12120425
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MOUNTING POSITION:
    FRONT
    TOOTH COUNT:
    16
    TYPE:
    COUNTERSHAFT
    PRODUCT NAME:
    SPROCKET
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • VORTEX Front Sprocket - 16-Tooth 3509-16

    VORTEX Front Sprocket - 16-Tooth 3509-16

    VORTEX

    $31.95
    A precision front sprocket is fundamental to your drivetrain's efficiency, acceleration response, and chain longevity. The VORTEX 16-Tooth Front Sprocket delivers induction-hardened durability and corrosion resistance, ensuring consistent performance...
    12120430
    SKU:
    12120430
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MOUNTING POSITION:
    FRONT
    TOOTH COUNT:
    16
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    $31.95
    Qty in Cart: 0
    Quantity:
    Price:
    $31.95
    Subtotal:
  • VORTEX Front Sprocket - 18-Tooth 3509-18

    VORTEX Front Sprocket - 18-Tooth 3509-18

    VORTEX

    $31.95
    A worn or undersized front sprocket directly impacts your acceleration response and overall drivetrain efficiency. The VORTEX 18-Tooth Front Sprocket delivers the precision tolerances and durability required for consistent performance across repeated...
    12120432
    SKU:
    12120432
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    TOOTH COUNT:
    18
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    $31.95
    Qty in Cart: 0
    Quantity:
    Price:
    $31.95
    Subtotal:
  • VORTEX Front Sprocket - 15-Tooth 3271-15

    VORTEX Front Sprocket - 15-Tooth 3271-15

    VORTEX

    $36.95
    A precision front sprocket is critical to maintaining consistent power delivery and chain integrity in high-RPM applications. The VORTEX 15-Tooth Front Sprocket delivers the durability and tolerances demanded by racers and serious enthusiasts who can't...
    12120433
    SKU:
    12120433
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    COLOR/FINISH:
    NATURAL
    UNITS:
    EACH
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    MATERIAL:
    STEEL
    TOOTH COUNT:
    15
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • VORTEX Front Sprocket - 16-Tooth 3271-16

    VORTEX Front Sprocket - 16-Tooth 3271-16

    VORTEX

    $36.95
    A worn or mismatched front sprocket compromises your entire drivetrain's efficiency and can introduce unwanted noise and premature wear across your chain and rear sprocket. The VORTEX 16-Tooth Front Sprocket delivers precision-engineered consistency...
    12120434
    SKU:
    12120434
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    TOOTH COUNT:
    16
    RIDING STYLE:
    STREET
    MOUNTING POSITION:
    FRONT
    $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • VORTEX Front Sprocket - 16-Tooth 3289-16

    VORTEX Front Sprocket - 16-Tooth 3289-16

    VORTEX

    $36.95
    A front sprocket is one of the most critical drivetrain components for controlling gear ratios and engine RPM response. The VORTEX 16-Tooth Front Sprocket delivers precision-manufactured consistency with induction-hardened steel construction, ensuring...
    12120436
    SKU:
    12120436
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    16
    TYPE:
    COUNTERSHAFT
    $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • VORTEX Front Sprocket - 15-Tooth 3270-15

    VORTEX Front Sprocket - 15-Tooth 3270-15

    VORTEX

    $34.95
    A worn or poorly-manufactured front sprocket introduces inconsistency into your drivetrain, robbing you of the precision gear engagement that separates competitive lap times from mediocre performance. The VORTEX 15-Tooth Front Sprocket delivers...
    12120439
    SKU:
    12120439
    Availability:
    Ships Same Business Day
    Weight:
    0.42 LBS
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    15
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • VORTEX Front Sprocket - 16-Tooth 3270-16

    VORTEX Front Sprocket - 16-Tooth 3270-16

    VORTEX

    $34.95
    A worn or low-quality front sprocket introduces inconsistency into your drivetrain, causing power loss, chain noise, and premature wear across your entire transmission system. The VORTEX 16-Tooth Front Sprocket delivers precision-engineered durability...
    12120440
    SKU:
    12120440
    Availability:
    Ships Same Business Day
    Weight:
    0.48 LBS
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    16
    TYPE:
    COUNTERSHAFT
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • VORTEX Front Sprocket - 17-Tooth 3521-17

    VORTEX Front Sprocket - 17-Tooth 3521-17

    VORTEX

    $34.95
    A worn or mismatched front sprocket directly impacts your bike's acceleration response, top-end performance, and drivetrain longevity. The VORTEX 17-Tooth Front Sprocket delivers precision-engineered consistency with induction-hardened steel...
    12120424
    SKU:
    12120424
    Availability:
    Ships Same Business Day
    Weight:
    0.64 LBS
    RIDING STYLE:
    STREET
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    17
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • VORTEX Front Sprocket - 16-Tooth 2910-16

    VORTEX Front Sprocket - 16-Tooth 2910-16

    VORTEX

    $34.95
    A quality front sprocket is fundamental to your drivetrain's efficiency and longevity. The VORTEX 16-Tooth sprocket delivers precision-manufactured consistency with induction hardening for superior durability, reduced noise, and extended service...
    12120420
    SKU:
    12120420
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    CHAIN SIZE:
    525
    COLOR/FINISH:
    NATURAL
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    16
    TYPE:
    COUNTERSHAFT
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 13144-062-16

    PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 13144-062-16

    PARTS UNLIMITED

    $23.27
    A worn or damaged countershaft sprocket compromises your entire drivetrain's efficiency and can lead to costly chain failures. The PARTS UNLIMITED 16-Tooth Countershaft Sprocket restores OEM-spec performance with precision-machined teeth and splines that...
    K222717
    SKU:
    K222717
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    CHAIN SIZE:
    630
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    TOOTH COUNT:
    16
    PRODUCT NAME:
    SPROCKET
    $23.27
    Qty in Cart: 0
    Quantity:
    Price:
    $23.27
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 13144-1046

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 13144-1046

    PARTS UNLIMITED

    $13.73
    A worn or damaged countershaft sprocket compromises your entire drivetrain's efficiency and can lead to costly chain slippage or premature wear. The PARTS UNLIMITED 15-Tooth Countershaft Sprocket restores OEM-level performance with precision-machined...
    K222772
    SKU:
    K222772
    Availability:
    Ships Same Business Day
    Weight:
    0.63 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    530
    TOOTH COUNT:
    15
    UNITS:
    EACH
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    Qty in Cart: 0
    Quantity:
    Price:
    $13.73
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801-MN4-00014

    PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801-MN4-00014

    PARTS UNLIMITED

    $25.39
    A worn or damaged countershaft sprocket compromises your entire drivetrain's efficiency and reliability. This OEM-spec replacement restores precise power delivery and engagement, eliminating slack and extending the life of your chain and related...
    K222502R
    SKU:
    K222502R
    Availability:
    Ships Same Business Day
    Weight:
    0.63 LBS
    CHAIN SIZE:
    530
    COLOR/FINISH:
    RAW
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    14
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    MATERIAL:
    STEEL
    $25.39
    Qty in Cart: 0
    Quantity:
    Price:
    $25.39
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 17-Tooth 23801438-000-17

    PARTS UNLIMITED Countershaft Sprocket - 17-Tooth 23801438-000-17

    PARTS UNLIMITED

    $24.33
    A worn or damaged countershaft sprocket compromises your entire drivetrain's efficiency and can lead to costly chain wear or missed shifts. The PARTS UNLIMITED 17-tooth countershaft sprocket restores OEM-level performance with precision-machined splines...
    K222579
    SKU:
    K222579
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    COLOR/FINISH:
    RAW
    CHAIN SIZE:
    530
    RIDING STYLE:
    STREET
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    17
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    MATERIAL:
    STEEL
    $24.33
    Qty in Cart: 0
    Quantity:
    Price:
    $24.33
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 13144-1046-14T

    PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 13144-1046-14T

    PARTS UNLIMITED

    $13.73
    A worn or damaged countershaft sprocket directly compromises your power delivery and acceleration response. This OEM-specification replacement restores precise chain engagement and eliminates the costly ripple effects of tooth wear—rough shifts,...
    K222771
    SKU:
    K222771
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    CHAIN SIZE:
    530
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    14
    Qty in Cart: 0
    Quantity:
    Price:
    $13.73
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 13144-1126

    PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 13144-1126

    PARTS UNLIMITED

    $15.85
    A worn or damaged countershaft sprocket directly impacts your power delivery and drivetrain efficiency. This PARTS UNLIMITED 14-tooth sprocket is manufactured to OEM specifications, ensuring precise engagement with your chain and eliminating the...
    K222782
    SKU:
    K222782
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    UNITS:
    EACH
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    TOOTH COUNT:
    14
    $15.85
    Qty in Cart: 0
    Quantity:
    Price:
    $15.85
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 13144-1106-16T

    PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 13144-1106-16T

    PARTS UNLIMITED

    $24.33
    A worn or damaged countershaft sprocket compromises your entire drivetrain's efficiency and can lead to costly chain and clutch wear. The PARTS UNLIMITED 16-Tooth Countershaft Sprocket delivers OEM-spec precision and durability, ensuring reliable power...
    K222787
    SKU:
    K222787
    Availability:
    Ships Same Business Day
    Weight:
    0.63 LBS
    CHAIN SIZE:
    530
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    TOOTH COUNT:
    16
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SPROCKET
    $24.33
    Qty in Cart: 0
    Quantity:
    Price:
    $24.33
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER